MAX4061ETA+T

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The MAX4061ETA+T is a low power consumption audio amplifier. It is part of the Linear - Amplifiers - Audio category.

The MAX4061ETA+T is an integrated, high-performance, low-noise, stereo headphone amplifier housed in a small 10-pin, TDFN package. The device also features a high-side transient protection and a boost voltage count on internal start-up is. It provides a 3V to 6V single supply operation with power-down state that can draw only 10 µA. Other features include low supply-noise rejection, low-distortion, and high-efficiency.

The MAX4061ETA+T features a wide range of output power. Its output power is adjustable from 5mW or 20dBm into 32 Ohms, to 40mW or 26dBm into 8 Ohms. Due to its low noise, low distortion and high power, this device is suitable for applications where very low distortion and high-resolution sound is essential. Such applications include digital audio players, Smartphones, hearing aids, television sets, medical electronics and professional audio.

The MAX4061ETA+T also features a low-side output mute pin, which is suitable for eliminating the speaker-pop or turn-on transients. It also has a volume control and a low-order filter for removal of any high-frequency noise. Additionally, the unity-gain stable and low-noise features make this amplifier suitable for high-resolution audio applications.

The MAX4061ETA+T also has a wide frequency range. It has a -3dB bandwidth of 35 kHz; the total harmonic distortion (THD + N) is less than 0.02% and a signal-to-noise ratio (SNR) of 85 dB. The power supply noise rejection ratio is 60 dB, and the quiescent current is typically 3mA. The audio amplifier operates over a recommended temperature range of –40 to 125 degrees Celsius.

The MAX4061ETA+T is designed to deliver highly accurate audio playback with low distortion and noise. It boasts a gain bandwidth product of 2 MHz, differential gain of 0.03% and differential phase of 0.03 degrees. Its typical supply voltage is 4.5V, and its power dissipation is typically 250 mW.

The working principle of the MAX4061ETA+T is quite straightforward. It is a low-noise, dual-channel audio amplifier designed to deliver low distortion and wide bandwidth audio. The device is a single-ended amplifier that uses an Class-AB output stage with a built-in feedback network. A differential input stage is used to separate the channel signals, and this helps reduce any channel crosstalk. The output level is controlled by an input voltage provided by an external resistor connected between the output pins. Once the signal level is set, the amplifier will remain at that level as long as it\'s within the operational range.

In summary, the MAX4061ETA+T is a low power consumption audio amplifier with low-noise and low-distortion performance. It is suitable for applications such as digital audio players, Smartphones, hearing aids, television sets, medical electronics and professional audio. The device offers high-resolution audio and power saving features in a very small package. Its wide bandwidth, high SNR, low THD+N and low-side output mute pin make it suitable for high-resolution audio applications.

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